1. Organisation for Economic Co-operation and Development. OECD Health Data 2010. Paris: Organisation for Economic Co-operation and Development; 2010.
2. World Health Organisation. WHO Mega Country Health Promotion Network: Behavioural Risk Factor Surveillance Guide. Genera: World Health Organisation; 2002.
3. Craig R, Mindell J, Harani V. Health Survey for England 2008. London: NHS Information Centre; 2009.
4. Centers for Disease Control and Prevention. U.S. Physical Activity Statistics. 2010. Available at http://apps.nccd.cdc.gov/PASurveillance/StateSumResultV.asp?CI=&Year=2007&State=0#data . Accessed August 17 2010.
5. Kimmons J, Gillespie C, Seymour J, Serdula M, Blanck HM. Fruit and vegetable intake among adolescents and adults in the United States: Percentage meeting individualized recommendations. Medscape Journal of Medicine. 2009; 11: 26.